Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #include <pjsip-simple/xpidf.h> |
| 21 | #include <pj/assert.h> |
| 22 | #include <pj/guid.h> |
| 23 | #include <pj/pool.h> |
| 24 | #include <pj/string.h> |
| 25 | |
| 26 | static pj_str_t STR_PRESENCE = { "presence", 8 }; |
| 27 | static pj_str_t STR_STATUS = { "status", 6 }; |
| 28 | static pj_str_t STR_OPEN = { "open", 4 }; |
| 29 | static pj_str_t STR_CLOSED = { "closed", 6 }; |
| 30 | static pj_str_t STR_URI = { "uri", 3 }; |
| 31 | static pj_str_t STR_ATOM = { "atom", 4 }; |
| 32 | static pj_str_t STR_ATOMID = { "atomid", 6 }; |
| 33 | static pj_str_t STR_ID = { "id", 2 }; |
| 34 | static pj_str_t STR_ADDRESS = { "address", 7 }; |
| 35 | static pj_str_t STR_SUBSCRIBE_PARAM = { ";method=SUBSCRIBE", 17 }; |
| 36 | static pj_str_t STR_PRESENTITY = { "presentity", 10 }; |
| 37 | static pj_str_t STR_EMPTY_STRING = { NULL, 0 }; |
| 38 | |
| 39 | static pj_xml_node* xml_create_node(pj_pool_t *pool, |
| 40 | pj_str_t *name, const pj_str_t *value) |
| 41 | { |
| 42 | pj_xml_node *node; |
| 43 | |
| 44 | node = PJ_POOL_ALLOC_T(pool, pj_xml_node); |
| 45 | pj_list_init(&node->attr_head); |
| 46 | pj_list_init(&node->node_head); |
| 47 | node->name = *name; |
| 48 | if (value) pj_strdup(pool, &node->content, value); |
| 49 | else node->content.ptr=NULL, node->content.slen=0; |
| 50 | |
| 51 | return node; |
| 52 | } |
| 53 | |
| 54 | static pj_xml_attr* xml_create_attr(pj_pool_t *pool, pj_str_t *name, |
| 55 | const pj_str_t *value) |
| 56 | { |
| 57 | pj_xml_attr *attr = PJ_POOL_ALLOC_T(pool, pj_xml_attr); |
| 58 | attr->name = *name; |
| 59 | pj_strdup(pool, &attr->value, value); |
| 60 | return attr; |
| 61 | } |
| 62 | |
| 63 | |
| 64 | PJ_DEF(pjxpidf_pres*) pjxpidf_create(pj_pool_t *pool, const pj_str_t *uri_cstr) |
| 65 | { |
| 66 | pjxpidf_pres *pres; |
| 67 | pj_xml_node *presentity; |
| 68 | pj_xml_node *atom; |
| 69 | pj_xml_node *addr; |
| 70 | pj_xml_node *status; |
| 71 | pj_xml_attr *attr; |
| 72 | pj_str_t uri; |
| 73 | pj_str_t tmp; |
| 74 | |
| 75 | /* <presence> */ |
| 76 | pres = xml_create_node(pool, &STR_PRESENCE, NULL); |
| 77 | |
| 78 | /* <presentity> */ |
| 79 | presentity = xml_create_node(pool, &STR_PRESENTITY, NULL); |
| 80 | pj_xml_add_node(pres, presentity); |
| 81 | |
| 82 | /* uri attribute */ |
| 83 | uri.ptr = (char*) pj_pool_alloc(pool, uri_cstr->slen + |
| 84 | STR_SUBSCRIBE_PARAM.slen); |
| 85 | pj_strcpy( &uri, uri_cstr); |
| 86 | pj_strcat( &uri, &STR_SUBSCRIBE_PARAM); |
| 87 | attr = xml_create_attr(pool, &STR_URI, &uri); |
| 88 | pj_xml_add_attr(presentity, attr); |
| 89 | |
| 90 | /* <atom> */ |
| 91 | atom = xml_create_node(pool, &STR_ATOM, NULL); |
| 92 | pj_xml_add_node(pres, atom); |
| 93 | |
| 94 | /* atom id */ |
| 95 | pj_create_unique_string(pool, &tmp); |
| 96 | attr = xml_create_attr(pool, &STR_ATOMID, &tmp); |
| 97 | pj_xml_add_attr(atom, attr); |
| 98 | |
| 99 | /* address */ |
| 100 | addr = xml_create_node(pool, &STR_ADDRESS, NULL); |
| 101 | pj_xml_add_node(atom, addr); |
| 102 | |
| 103 | /* address'es uri */ |
| 104 | attr = xml_create_attr(pool, &STR_URI, uri_cstr); |
| 105 | pj_xml_add_attr(addr, attr); |
| 106 | |
| 107 | /* status */ |
| 108 | status = xml_create_node(pool, &STR_STATUS, NULL); |
| 109 | pj_xml_add_node(addr, status); |
| 110 | |
| 111 | /* status attr */ |
| 112 | attr = xml_create_attr(pool, &STR_STATUS, &STR_OPEN); |
| 113 | pj_xml_add_attr(status, attr); |
| 114 | |
| 115 | return pres; |
| 116 | } |
| 117 | |
| 118 | |
| 119 | |
| 120 | PJ_DEF(pjxpidf_pres*) pjxpidf_parse(pj_pool_t *pool, char *text, pj_size_t len) |
| 121 | { |
| 122 | pjxpidf_pres *pres; |
| 123 | pj_xml_node *node; |
| 124 | |
| 125 | pres = pj_xml_parse(pool, text, len); |
| 126 | if (!pres) |
| 127 | return NULL; |
| 128 | |
| 129 | /* Validate <presence> */ |
| 130 | if (pj_stricmp(&pres->name, &STR_PRESENCE) != 0) |
| 131 | return NULL; |
| 132 | |
| 133 | /* Validate <presentity> */ |
| 134 | node = pj_xml_find_node(pres, &STR_PRESENTITY); |
| 135 | if (node == NULL) |
| 136 | return NULL; |
| 137 | if (pj_xml_find_attr(node, &STR_URI, NULL) == NULL) |
| 138 | return NULL; |
| 139 | |
| 140 | /* Validate <atom> */ |
| 141 | node = pj_xml_find_node(pres, &STR_ATOM); |
| 142 | if (node == NULL) |
| 143 | return NULL; |
| 144 | if (pj_xml_find_attr(node, &STR_ATOMID, NULL) == NULL && |
| 145 | pj_xml_find_attr(node, &STR_ID, NULL) == NULL) |
| 146 | { |
| 147 | return NULL; |
| 148 | } |
| 149 | |
| 150 | /* Address */ |
| 151 | node = pj_xml_find_node(node, &STR_ADDRESS); |
| 152 | if (node == NULL) |
| 153 | return NULL; |
| 154 | if (pj_xml_find_attr(node, &STR_URI, NULL) == NULL) |
| 155 | return NULL; |
| 156 | |
| 157 | |
| 158 | /* Status */ |
| 159 | node = pj_xml_find_node(node, &STR_STATUS); |
| 160 | if (node == NULL) |
| 161 | return NULL; |
| 162 | if (pj_xml_find_attr(node, &STR_STATUS, NULL) == NULL) |
| 163 | return NULL; |
| 164 | |
| 165 | return pres; |
| 166 | } |
| 167 | |
| 168 | |
| 169 | PJ_DEF(int) pjxpidf_print( pjxpidf_pres *pres, char *text, pj_size_t len) |
| 170 | { |
| 171 | return pj_xml_print(pres, text, len, PJ_TRUE); |
| 172 | } |
| 173 | |
| 174 | |
| 175 | PJ_DEF(pj_str_t*) pjxpidf_get_uri(pjxpidf_pres *pres) |
| 176 | { |
| 177 | pj_xml_node *presentity; |
| 178 | pj_xml_attr *attr; |
| 179 | |
| 180 | presentity = pj_xml_find_node(pres, &STR_PRESENTITY); |
| 181 | if (!presentity) |
| 182 | return &STR_EMPTY_STRING; |
| 183 | |
| 184 | attr = pj_xml_find_attr(presentity, &STR_URI, NULL); |
| 185 | if (!attr) |
| 186 | return &STR_EMPTY_STRING; |
| 187 | |
| 188 | return &attr->value; |
| 189 | } |
| 190 | |
| 191 | |
| 192 | PJ_DEF(pj_status_t) pjxpidf_set_uri(pj_pool_t *pool, pjxpidf_pres *pres, |
| 193 | const pj_str_t *uri) |
| 194 | { |
| 195 | pj_xml_node *presentity; |
| 196 | pj_xml_node *atom; |
| 197 | pj_xml_node *addr; |
| 198 | pj_xml_attr *attr; |
| 199 | pj_str_t dup_uri; |
| 200 | |
| 201 | presentity = pj_xml_find_node(pres, &STR_PRESENTITY); |
| 202 | if (!presentity) { |
| 203 | pj_assert(0); |
| 204 | return -1; |
| 205 | } |
| 206 | atom = pj_xml_find_node(pres, &STR_ATOM); |
| 207 | if (!atom) { |
| 208 | pj_assert(0); |
| 209 | return -1; |
| 210 | } |
| 211 | addr = pj_xml_find_node(atom, &STR_ADDRESS); |
| 212 | if (!addr) { |
| 213 | pj_assert(0); |
| 214 | return -1; |
| 215 | } |
| 216 | |
| 217 | /* Set uri in presentity */ |
| 218 | attr = pj_xml_find_attr(presentity, &STR_URI, NULL); |
| 219 | if (!attr) { |
| 220 | pj_assert(0); |
| 221 | return -1; |
| 222 | } |
| 223 | pj_strdup(pool, &dup_uri, uri); |
| 224 | attr->value = dup_uri; |
| 225 | |
| 226 | /* Set uri in address. */ |
| 227 | attr = pj_xml_find_attr(addr, &STR_URI, NULL); |
| 228 | if (!attr) { |
| 229 | pj_assert(0); |
| 230 | return -1; |
| 231 | } |
| 232 | attr->value = dup_uri; |
| 233 | |
| 234 | return 0; |
| 235 | } |
| 236 | |
| 237 | |
| 238 | PJ_DEF(pj_bool_t) pjxpidf_get_status(pjxpidf_pres *pres) |
| 239 | { |
| 240 | pj_xml_node *atom; |
| 241 | pj_xml_node *addr; |
| 242 | pj_xml_node *status; |
| 243 | pj_xml_attr *attr; |
| 244 | |
| 245 | atom = pj_xml_find_node(pres, &STR_ATOM); |
| 246 | if (!atom) { |
| 247 | pj_assert(0); |
| 248 | return PJ_FALSE; |
| 249 | } |
| 250 | addr = pj_xml_find_node(atom, &STR_ADDRESS); |
| 251 | if (!addr) { |
| 252 | pj_assert(0); |
| 253 | return PJ_FALSE; |
| 254 | } |
| 255 | status = pj_xml_find_node(addr, &STR_STATUS); |
| 256 | if (!status) { |
| 257 | pj_assert(0); |
| 258 | return PJ_FALSE; |
| 259 | } |
| 260 | attr = pj_xml_find_attr(status, &STR_STATUS, NULL); |
| 261 | if (!attr) { |
| 262 | pj_assert(0); |
| 263 | return PJ_FALSE; |
| 264 | } |
| 265 | |
| 266 | return pj_stricmp(&attr->value, &STR_OPEN)==0 ? PJ_TRUE : PJ_FALSE; |
| 267 | } |
| 268 | |
| 269 | |
| 270 | PJ_DEF(pj_status_t) pjxpidf_set_status(pjxpidf_pres *pres, pj_bool_t online_status) |
| 271 | { |
| 272 | pj_xml_node *atom; |
| 273 | pj_xml_node *addr; |
| 274 | pj_xml_node *status; |
| 275 | pj_xml_attr *attr; |
| 276 | |
| 277 | atom = pj_xml_find_node(pres, &STR_ATOM); |
| 278 | if (!atom) { |
| 279 | pj_assert(0); |
| 280 | return -1; |
| 281 | } |
| 282 | addr = pj_xml_find_node(atom, &STR_ADDRESS); |
| 283 | if (!addr) { |
| 284 | pj_assert(0); |
| 285 | return -1; |
| 286 | } |
| 287 | status = pj_xml_find_node(addr, &STR_STATUS); |
| 288 | if (!status) { |
| 289 | pj_assert(0); |
| 290 | return -1; |
| 291 | } |
| 292 | attr = pj_xml_find_attr(status, &STR_STATUS, NULL); |
| 293 | if (!attr) { |
| 294 | pj_assert(0); |
| 295 | return -1; |
| 296 | } |
| 297 | |
| 298 | attr->value = ( online_status ? STR_OPEN : STR_CLOSED ); |
| 299 | return 0; |
| 300 | } |
| 301 | |